Question: In 1990, what was the Human Development Index of Mongolia?
Paraphrase: What was the Human Development Index in Mongolia in the year 1990?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q711 p:P1081 ?s . ?s ps:P1081 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1990')) }